201457690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{797}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 435746304

約数和(自身を除く): 234288614

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 157, 161, 230, 314, 322, 785, 797, 805, 1099, 1570, 1594, 1610, 2198, 3611, 3985, 5495, 5579, 7222, 7970, 10990, 11158, 18055, 18331, 25277, 27895, 36110, 36662, 50554, 55790, 91655, 125129, 126385, 128317, 183310, 250258, 252770, 256634, 625645, 641585, 875903, 1251290, 1283170, 1751806, 2877967, 4379515, 5755934, 8759030, 14389835, 20145769, 28779670, 40291538, 100728845, 201457690]

約数ペア:

[(1, 201457690), (2, 100728845), (5, 40291538), (7, 28779670), (10, 20145769), (14, 14389835), (23, 8759030), (35, 5755934), (46, 4379515), (70, 2877967), (115, 1751806), (157, 1283170), (161, 1251290), (230, 875903), (314, 641585), (322, 625645), (785, 256634), (797, 252770), (805, 250258), (1099, 183310), (1570, 128317), (1594, 126385), (1610, 125129), (2198, 91655), (3611, 55790), (3985, 50554), (5495, 36662), (5579, 36110), (7222, 27895), (7970, 25277), (10990, 18331), (11158, 18055)]